<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>demo</title>
    <script type="text/javascript" src="../vue.js"></script>
</head>

<body>
    <div id="app">

        <h1 study="vue">{{msg}}</h1>
        <h1 :study.prop="study">{{msg+1}}</h1>
        <h1 :ishot="ishot?'add':'cdd'">{{msg+2}}</h1>
        <h1 :count="count+1">{{msg+3}}</h1>
    </div>
</body>
<script type="text/javascript">
    Vue.config.productionTip = false
    const vm = new Vue({
        el: "#app",
        data() {
            return {
                msg: "hello Vue",
                study: "vue",
                count: 3,
                src: "01.jpg",
                isHot: true
            }
        }
    })
</script>

</html>